package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;


    @Autowired
    MongoTemplate mongoTemplate;
    /**
     * 记录阅读行为
     * @param dto
     * @return
     */
    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
        //参数校验
        ApUser user = AppThreadLocalUtils.getUser();
        //查询实体类
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.
                findByUserIdOrEquipmentId(user == null ? null : user.getId(),
                dto.getEquipmentId());
                if(apBehaviorEntry==null){
                    return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"获取行为实体信息失败");
                }
                //3:  查询指定文章阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).
                and("articleId").is(dto.getArticleId()));
        ApReadBehavior readBehavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if(readBehavior==null){
            //不存在  新增阅读行为
            readBehavior=new ApReadBehavior();
            readBehavior.setEntryId(apBehaviorEntry.getId());
            readBehavior.setArticleId(dto.getArticleId());
            readBehavior.setCount((short)1);
            readBehavior.setCreatedTime(new Date());
            readBehavior.setUpdatedTime(new Date());
            mongoTemplate.save(readBehavior);
        }else {
            //存在   更新阅读次数
            readBehavior.setCount((short)(readBehavior.getCount()+1));
            mongoTemplate.save(readBehavior);
        }
        return ResponseResult.okResult();
    }
}
